（）isyourchancetoremindthereaderofyourthesisideaandbringthepapertoanaturalandgracefulend.

（）isyourchancetoremindthereaderofyourthesisideaandbringthepapertoanaturalandgracefulend.
A.Aconcludingparagraph
B.Anintroductoryparagraph
C.Thesecondparagraph
D.Thethirdparagraph
正确答案：A